Determination of organic acids of low relative molecular mass (C1 to C4) in dilute aqueous solution

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Abstract
A method for determining organic acids of low relative molecular mass present in low concentrations (5 × 10–5 M) in polluted waters is presented. The method is based on the conversion of the acids into their benzyl esters via lipophilic tetra-n-butylammonium salts. The benzyl esters are detected and determined by gas-liquid chromatography.